Favoreats
Favoreats LLC
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INGREDIENTS
Canola oil
2
Sliced red onions
1 tsp
Sugar
1 tbsp
Red wine vinegar
1 1/2 tsps
Dry mustard powder
Kosher salt
Black pepper
1 1/4 lbs
Ground beef, 20% fat
1 1/4 cups
Grated gruyere
4
Potato rolls
Ketchup